I run into this on a *daily* basis with radiology techs.
They know they aren't supposed to say things to patients, but I have had some techs who think they are the patient's primary physician, or at the very least a radiologist:
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I took over a radiology department where 'tech reporting' had gone unchecked for a long time. Your post sounds soo eerily familiar, almost like you came through here as a locum...
It required years of friendly reminders, then unfriendly reminders, then personnel file entries and if necessary firings to get everyone in compliance.
If this crap keeps happening, it requires some serious chewing out of a couple of people along the way. Particularly in breast and OB imaging, the techs are to keep their trap shut. The complications and liabilities from techs talking too much are just too great.
Giving prelimnary objective findings to referring services is different. Nothing wrong with the sonographer telling the ER doc or surgeon about free fluid, gallstones GB wall thickness presence of cardiac activity or other objective findings (this doesn't cover writing interpretations such as 'no ectopic' into a patients chart).
This also doesn't mean that techs should notifiy someone if they notice something that is gravely wrong. This week alone, I got called by MRI and CT techs about 2 patients with (unexpected) intracranial masses. Rather than sending them on their merry way, leaving it to the ordering PCPs to track them down and tuck them in with neurosurg, they where kept in the waiting room and could be dispo'ed from there.
[rant]
The whole sleep lab business is a part of the 'pulmonary industrical complex' that is very adept at leeching off the medicare program without necessarily contributing to the overall health of the population. (the sleep lab generates the OSA patients that turn into long-term cash-cows for the next steps in the food chain, the durable medical goods and home oxygen suppliers).
[/rant]